..Results of this study demonstrate that the responses of persons with Prader-Willi syndrome on the Figure Rating Scale show significant discrepancies between how they think they look and how they wished they looked...

Increasing response diversity in children with autism

Deborah A NapolitanoDivision of Neurodevelopmental and Behavioral Pediatrics, University of Rochester School of Medicine, 601 Elmwood Ave, Box 671, Rochester, New York 14642, USAJ Appl Behav Anal 43:265-71. 2010

..These procedures appeared to increase the variety of building-block structures, demonstrating that an intervention that includes differential reinforcement can increase response diversity for children with an autism spectrum disorder...